package com.habdqn.jspdemo.im.servlet.user;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 用户注销功能
 * @author Administrator
 */
@WebServlet(name = "LogoutServlet",value = "/logout")
public class LogoutServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request,response);
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //从session中移除user
        request.getSession().removeAttribute("user");
        response.sendRedirect("/welcome.jsp");
    }
}
